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1021014312 = 23342542263
BaseRepresentation
bin111100110110110…
…111000100101000
32122011012220022220
4330312313010220
54042334424222
6245151514040
734205323053
oct7466670450
92564186286
101021014312
1148437718a
12245b28920
131336b71a6
149985ba9a
155e982b5c
hex3cdb7128

1021014312 has 16 divisors (see below), whose sum is σ = 2552535840. Its totient is φ = 340338096.

The previous prime is 1021014307. The next prime is 1021014331. The reversal of 1021014312 is 2134101201.

It is a junction number, because it is equal to n+sod(n) for n = 1021014291 and 1021014300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21271108 + ... + 21271155.

It is an arithmetic number, because the mean of its divisors is an integer number (159533490).

Almost surely, 21021014312 is an apocalyptic number.

1021014312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021014312 is an abundant number, since it is smaller than the sum of its proper divisors (1531521528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021014312 is a wasteful number, since it uses less digits than its factorization.

1021014312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42542272 (or 42542268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021014312 is about 31953.3145698533. The cubic root of 1021014312 is about 1006.9562687874.

Adding to 1021014312 its reverse (2134101201), we get a palindrome (3155115513).

The spelling of 1021014312 in words is "one billion, twenty-one million, fourteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 42542263 85084526 127626789 170169052 255253578 340338104 510507156 1021014312